100 BULLETIN 35, UNITED STATES NATIONAL MUSEUM. 



The skull also agrees in luany points with L. ohscurm, as Professor 

 Flower has stated, and it is not at all impossible that the skulls now 

 distributed among the three species, ohscunis, ohllqHiden.s, ana simUis, 

 represent only the individual variations of a single species. 



Table of measiircniciiln 

 LAGENORlIYNCnUS OBLIQUIDENS. 



1«20 

 1!)G2 



1509b 



Collection. 



U.S. 'N^at.Mus. 



...do . . 

 liiit. Mils 



Tj-pe of- 



D. liinijiden.i! 

 C stmilis 



Locality. 



Jr 



.2 --.S f-i .-'■; 



41.9 

 3G.8 

 38.1 



Cm. 

 10.7 

 •20.7 

 L'O. I 

 20.8 



&a 



a 



cn3 



Cm. 

 8.4 

 0.4 

 7.0 



r.u 



I Extrrttuity 

 of break to— 



Breautli 

 between — 



14329 

 1902 

 38SG 

 lu09J» 



Tenipoial 

 fossaj. 



^1 



k a 0^ 

 a ft 





1§ 



Cm. Cm.. 

 8. 9 7. 1 



8.3 



6.8 



7.4 i 5.3 



-27 



I 28—28 

 5 32— :t2 

 < 29—29 

 r^l- :il 

 )vo=20 

 5 29-20 

 i ?--? 



•Greatest. 



LAGENOKHYNCHUS ELECTEA Gray. 



La(jviwr]u)vchus elcclra, Gray, Zool. Erebus ami Terror, 1846, p. 35, pi. 115, 



Latjcnorlnjucltus asia, Gray, Zool. Erebus aud Terror, 1840, p. 35, pi. 14. 



Electra ohtttsd, Gray, Synopsis, 18(j8, p. 7. 



Delphinus {Lagenorhynckns) fusiformis, Owen, Trans. Zool. Soc., London, vi, 186(i, 



p. -22, pis. V, fig. 1 (animal) ; vii, figs. 1-5 (sknll). 

 riwcwna pecU)raUs,'Pe?i\i',Ma,mm. and Ornitb. U. S. Exjilor. Exped., 1st ed.,1848, 



p. 32; Atlas, pi. vi, lig. 1 (animal). 

 DeJphinus pectoralls, Cassiu, Mamni. and Ornitb. U. S. Explor. Exped., 2d ed., 



1858, p. 28, pi. V, fig. 2 (animal). 



